Clientside Network Construction

It is done.
(also tidied up the global variables in authentication.js, and removed the annoying alert after authentication was completed).

You should tidy up the project, and put these files into a new folder; 'networking' or something.
(note, the old files like 'Physics.js', the adjacency matrix stuff, etc, should be put into an 'archive' folder or something; they were for testing and are not unused/useless)